package com.itheima.practise;

import com.sun.net.httpserver.HttpServer;

import javax.jws.WebService;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/userServlet")
public class UserServlet  extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("UTF-8");
        resp.setContentType("text/html;charset=UTF-8");

        String username = req.getParameter("username");

        if("zhangsan".equals(username)){
            resp.getWriter().write("<font color='red'>用户名已经被注册</font>");
        }else{
            resp.getWriter().write("<font color='green'>用户名可以被使用</font>");
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req,resp);
    }
}
